Home / 13,481,421.40-20,222,132.10-8,946,458.20

Finding the Fourth Proportional to 13,481,421.40, 20,222,132.10 and 8,946,458.20

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Solution

The fourth proportional to 13,481,421.40, 20,222,132.10 and 8,946,458.20 is: 13,419,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,421.40 : 20,222,132.10 = 8,946,458.20 : x
  2. Step 2: Convert to fraction form
    13,481,421.40/20,222,132.10 = 8,946,458.20/x
  3. Step 3: Cross multiply
    13,481,421.40x = 20,222,132.10 × 8,946,458.20
  4. Step 4: Simplify right side
    13,481,421.40x = 180,916,459,547,528.22
  5. Step 5: Solve for x
    x = 180,916,459,547,528.22/13,481,421.40
  6. Step 6: Final answer
    x = 13,419,687.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.